C# TXT文件导入至数据库

转自http://blog.csdn.net/kj297296053/article/details/10304125?locationNum=14

TxT文本内容格式 以“|”分割，内容与数据库里表的字段对应

例如： Tom|21

             Jenny|25

<span style="font-size:14px;">using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.IO;
using System.Data.SqlClient;

namespace txt导入至数据库
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}

private void button1_Click(object sender, EventArgs e)
{
if (ofdfile.ShowDialog() == DialogResult.OK) //点击form窗体上的导入按钮
{
using (FileStream fileStream=File.OpenRead(ofdfile .FileName)) //选txt文本
{
using (StreamReader streamreader = new StreamReader(fileStream))
{
using (SqlConnection conn = new SqlConnection("server=.;database=test;user id=sa;password=123456")) //打开数据库连接
{
conn.Open();
string lines = null;
using (SqlCommand cmd = conn.CreateCommand())
{
cmd.CommandText = "insert into T_persons(name,age)values(@name,@age)";
while ((lines=streamreader.ReadLine()) != null)
{
string[] strs = lines.Split('|');
string name = strs[0].ToString();
int age = Convert.ToInt32(strs[1]);
cmd.Parameters.Clear();
cmd.Parameters.Add(new SqlParameter("name",name));
cmd.Parameters.Add(new SqlParameter("age",age));
cmd.ExecuteNonQuery();
}
}
}
}
}
MessageBox.Show("数据导入成功");
}
}
}
}

</span>